-er -ey -ic c-- ccc cce cch cci cck ccn cco ccr ce- cec cee ceh cei cek cen ceo cer cey ch- chc che chh chi chk chn cho chr chy ci- cic cie cih cii cik cin cio cir ckc ckh cki cko cky cn- cnc cne cnh cni cnn cno cnr cny co- coc coe coh coi cok con coo cor coy crc cre crh cri crk crn cro crr cry cyc cye cyk cyn cyo cyr ec- ecc ece ech eci eck ecn eco ecr eec eee eek een eeo eer eey ehc ehe ehh ehi ehn eho ehr eic eie eii eik ein eio eir ekc eke ekh eki eko ekr eky en- enc ene enh eni enk enn eno enr eny eo- eoc eoe eoh eoi eok eon eoo eor erc ere erh eri erk ern ero err ery eyc eye eyn eyo eyr h-i hcc hce hch hci hck hcn hco hcr hcy he- hec hee heh hei hek hen heo her hey hhc hhe hhh hhi hhk hhn hho hhr hhy hic hie hih hii hik hin hio hir hkh hki hkk hkn hko hkr hnc hne hnh hnk hnn hno hny hoc hoe hoh hoi hok hon hoo hor hoy hr- hrc hre hrh hri hrk hrn hro hrr hy- hyc hye hyh hyi hyn hyo hyr hyy icc ice ich ici ick icn ico icr icy ie- iec iee iei iek ien ier iey ihc ihe ihh ihi ihk ihn iho ihr ihy iic iie iih iii iin iio iir ikc ike iki ikk iko ikr in- inc ine inh ini ink inn ino inr iny io- ioc ioe ioh ioi ion ioo ior ir- irc ire iri irk irn iro irr iry iyc iye iyo iyr iyy kcc kce kch kci kck kcn kcr ke- kec kee keh kei kek ken keo ker key khe khh khi khk khn kho khr kic kie kih kii kik kin kio kir kkc kke kkh kki kkk kkn kkr kky kn- knc kne kni knk knn kno knr koc koe koh koi kok kon koo kor koy krc kri krk krn kro krr kry kyc kye kyn kyo kyr n-i ncc nce nch nci nck ncn nco ncr ne- nec nee neh nei nek nen neo ner ney nhc nhe nhh nhi nhk nhn nhr nhy nic nie nih nii nik nin nio nir nkc nke nki nkk nkn nko nkr nky nnc nne nnh nni nnk nnn nno no- noc noe noh noi nok non noo nor noy nrc nre nri nrk nrn nro nrr nry nyc nye nyk nyn nyo nyy o-i oc- occ och oci ock ocn oco ocr oec oee oeh oei oen oeo oer oey ohc ohe ohh ohi ohn oho ohr oic oie oii oik oin oio oir okc oke oki okk oko okr on- onc one onh oni onk onn ono onr ony oo- ooc ooh ooi ook oon ooo oor or- orc ore orh ori ork orn oro orr ory oye oyi oyo rcc rce rch rci rcn rco rcr re- rec ree reh rei rek ren reo rer rey rh- rhc rhe rhh rhi rhn rho rhr ric rie rih rii rik rin rio rir riy rkc rke rkk rko rky rnc rnh rni rnn rno rnr rny roc roe roh roi rok ron roo ror roy rrc rrh rri rrk rrn rrr ry- ryc rye ryk ryn ryo ryr ryy ycc yce ych yci yco ycy yec yee yeh yei yek yen yeo yer yey yhc yhe yhi yie yih yii yin yio yir yki ykk ykn yne ynk ynn yny yoc yoe yoi yok yon yoo yor yoy yrc yre yrn yro yyc yye yyy